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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.configuration;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.io.InputStream;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.io.OutputStream;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.io.Reader;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.io.Writer;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.net.URL;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.Collection;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="29" href="#29">29</a>  
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.event.ConfigurationErrorEvent;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.event.ConfigurationErrorListener;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.event.ConfigurationEvent;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.event.ConfigurationListener;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.reloading.Reloadable;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.reloading.ReloadingStrategy;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.tree.ConfigurationNode;
<a class="jxr_linenumber" name="37" href="#37">37</a>  
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;Base class for implementing file based hierarchical configurations.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;This class serves an analogous purpose as the</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * {@link AbstractFileConfiguration} class for non hierarchical</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * configurations. It behaves in exactly the same way, so please refer to the</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * documentation of {@code AbstractFileConfiguration} for further details.&lt;/p&gt;</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * @since 1.2</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * @author Emmanuel Bourg</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * @version $Id: AbstractHierarchicalFileConfiguration.java 1206575 2011-11-26 20:07:52Z oheger $</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">AbstractHierarchicalFileConfiguration</a>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/commons/configuration/HierarchicalConfiguration.html">HierarchicalConfiguration</a>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">implements</strong> FileConfiguration, ConfigurationListener, ConfigurationErrorListener, FileSystemBased,
<a class="jxr_linenumber" name="53" href="#53">53</a>          <a href="../../../../org/apache/commons/configuration/reloading/Reloadable.html">Reloadable</a>
<a class="jxr_linenumber" name="54" href="#54">54</a>  {
<a class="jxr_linenumber" name="55" href="#55">55</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Stores the delegate used for implementing functionality related to the</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     * {@code FileConfiguration} interface.</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a> delegate;
<a class="jxr_linenumber" name="59" href="#59">59</a>  
<a class="jxr_linenumber" name="60" href="#60">60</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment">     * Creates a new instance of {@code AbstractHierarchicalFileConfiguration}.</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">AbstractHierarchicalFileConfiguration</a>()
<a class="jxr_linenumber" name="64" href="#64">64</a>      {
<a class="jxr_linenumber" name="65" href="#65">65</a>          initialize();
<a class="jxr_linenumber" name="66" href="#66">66</a>      }
<a class="jxr_linenumber" name="67" href="#67">67</a>  
<a class="jxr_linenumber" name="68" href="#68">68</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     * Creates a new instance of</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment">     * {@code AbstractHierarchicalFileConfiguration} and copies the</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment">     * content of the specified configuration into this object.</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * @param c the configuration to copy</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * @since 1.4</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">AbstractHierarchicalFileConfiguration</a>(<a href="../../../../org/apache/commons/configuration/HierarchicalConfiguration.html">HierarchicalConfiguration</a> c)
<a class="jxr_linenumber" name="77" href="#77">77</a>      {
<a class="jxr_linenumber" name="78" href="#78">78</a>          <strong class="jxr_keyword">super</strong>(c);
<a class="jxr_linenumber" name="79" href="#79">79</a>          initialize();
<a class="jxr_linenumber" name="80" href="#80">80</a>      }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     * Creates and loads the configuration from the specified file.</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment">     * @param fileName The name of the plist file to load.</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * @throws ConfigurationException Error while loading the file</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">AbstractHierarchicalFileConfiguration</a>(String fileName) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="89" href="#89">89</a>      {
<a class="jxr_linenumber" name="90" href="#90">90</a>          <strong class="jxr_keyword">this</strong>();
<a class="jxr_linenumber" name="91" href="#91">91</a>          <em class="jxr_comment">// store the file name</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>          delegate.setFileName(fileName);
<a class="jxr_linenumber" name="93" href="#93">93</a>  
<a class="jxr_linenumber" name="94" href="#94">94</a>          <em class="jxr_comment">// load the file</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>          load();
<a class="jxr_linenumber" name="96" href="#96">96</a>      }
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     * Creates and loads the configuration from the specified file.</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment">     * @param file The configuration file to load.</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment">     * @throws ConfigurationException Error while loading the file</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">AbstractHierarchicalFileConfiguration</a>(File file) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="105" href="#105">105</a>     {
<a class="jxr_linenumber" name="106" href="#106">106</a>         <strong class="jxr_keyword">this</strong>();
<a class="jxr_linenumber" name="107" href="#107">107</a>         <em class="jxr_comment">// set the file and update the url, the base path and the file name</em>
<a class="jxr_linenumber" name="108" href="#108">108</a>         setFile(file);
<a class="jxr_linenumber" name="109" href="#109">109</a> 
<a class="jxr_linenumber" name="110" href="#110">110</a>         <em class="jxr_comment">// load the file</em>
<a class="jxr_linenumber" name="111" href="#111">111</a>         <strong class="jxr_keyword">if</strong> (file.exists())
<a class="jxr_linenumber" name="112" href="#112">112</a>         {
<a class="jxr_linenumber" name="113" href="#113">113</a>             load();
<a class="jxr_linenumber" name="114" href="#114">114</a>         }
<a class="jxr_linenumber" name="115" href="#115">115</a>     }
<a class="jxr_linenumber" name="116" href="#116">116</a> 
<a class="jxr_linenumber" name="117" href="#117">117</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">     * Creates and loads the configuration from the specified URL.</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">     * @param url The location of the configuration file to load.</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">     * @throws ConfigurationException Error while loading the file</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="123" href="#123">123</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">AbstractHierarchicalFileConfiguration</a>(URL url) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="124" href="#124">124</a>     {
<a class="jxr_linenumber" name="125" href="#125">125</a>         <strong class="jxr_keyword">this</strong>();
<a class="jxr_linenumber" name="126" href="#126">126</a>         <em class="jxr_comment">// set the URL and update the base path and the file name</em>
<a class="jxr_linenumber" name="127" href="#127">127</a>         setURL(url);
<a class="jxr_linenumber" name="128" href="#128">128</a> 
<a class="jxr_linenumber" name="129" href="#129">129</a>         <em class="jxr_comment">// load the file</em>
<a class="jxr_linenumber" name="130" href="#130">130</a>         load();
<a class="jxr_linenumber" name="131" href="#131">131</a>     }
<a class="jxr_linenumber" name="132" href="#132">132</a> 
<a class="jxr_linenumber" name="133" href="#133">133</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">     * Initializes this instance, mainly the internally used delegate object.</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> initialize()
<a class="jxr_linenumber" name="137" href="#137">137</a>     {
<a class="jxr_linenumber" name="138" href="#138">138</a>         delegate = createDelegate();
<a class="jxr_linenumber" name="139" href="#139">139</a>         initDelegate(delegate);
<a class="jxr_linenumber" name="140" href="#140">140</a>     }
<a class="jxr_linenumber" name="141" href="#141">141</a> 
<a class="jxr_linenumber" name="142" href="#142">142</a>     @Override
<a class="jxr_linenumber" name="143" href="#143">143</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> addPropertyDirect(String key, Object obj)
<a class="jxr_linenumber" name="144" href="#144">144</a>     {
<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="146" href="#146">146</a>         {
<a class="jxr_linenumber" name="147" href="#147">147</a>             <strong class="jxr_keyword">super</strong>.addPropertyDirect(key, obj);
<a class="jxr_linenumber" name="148" href="#148">148</a>             delegate.possiblySave();
<a class="jxr_linenumber" name="149" href="#149">149</a>         }
<a class="jxr_linenumber" name="150" href="#150">150</a>     }
<a class="jxr_linenumber" name="151" href="#151">151</a> 
<a class="jxr_linenumber" name="152" href="#152">152</a>     @Override
<a class="jxr_linenumber" name="153" href="#153">153</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearProperty(String key)
<a class="jxr_linenumber" name="154" href="#154">154</a>     {
<a class="jxr_linenumber" name="155" href="#155">155</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="156" href="#156">156</a>         {
<a class="jxr_linenumber" name="157" href="#157">157</a>             <strong class="jxr_keyword">super</strong>.clearProperty(key);
<a class="jxr_linenumber" name="158" href="#158">158</a>             delegate.possiblySave();
<a class="jxr_linenumber" name="159" href="#159">159</a>         }
<a class="jxr_linenumber" name="160" href="#160">160</a>     }
<a class="jxr_linenumber" name="161" href="#161">161</a> 
<a class="jxr_linenumber" name="162" href="#162">162</a>     @Override
<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearTree(String key)
<a class="jxr_linenumber" name="164" href="#164">164</a>     {
<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="166" href="#166">166</a>         {
<a class="jxr_linenumber" name="167" href="#167">167</a>             <strong class="jxr_keyword">super</strong>.clearTree(key);
<a class="jxr_linenumber" name="168" href="#168">168</a>             delegate.possiblySave();
<a class="jxr_linenumber" name="169" href="#169">169</a>         }
<a class="jxr_linenumber" name="170" href="#170">170</a>     }
<a class="jxr_linenumber" name="171" href="#171">171</a> 
<a class="jxr_linenumber" name="172" href="#172">172</a>     @Override
<a class="jxr_linenumber" name="173" href="#173">173</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setProperty(String key, Object value)
<a class="jxr_linenumber" name="174" href="#174">174</a>     {
<a class="jxr_linenumber" name="175" href="#175">175</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="176" href="#176">176</a>         {
<a class="jxr_linenumber" name="177" href="#177">177</a>             <strong class="jxr_keyword">super</strong>.setProperty(key, value);
<a class="jxr_linenumber" name="178" href="#178">178</a>             delegate.possiblySave();
<a class="jxr_linenumber" name="179" href="#179">179</a>         }
<a class="jxr_linenumber" name="180" href="#180">180</a>     }
<a class="jxr_linenumber" name="181" href="#181">181</a> 
<a class="jxr_linenumber" name="182" href="#182">182</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load() <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="183" href="#183">183</a>     {
<a class="jxr_linenumber" name="184" href="#184">184</a>         delegate.load();
<a class="jxr_linenumber" name="185" href="#185">185</a>     }
<a class="jxr_linenumber" name="186" href="#186">186</a> 
<a class="jxr_linenumber" name="187" href="#187">187</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load(String fileName) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="188" href="#188">188</a>     {
<a class="jxr_linenumber" name="189" href="#189">189</a>         delegate.load(fileName);
<a class="jxr_linenumber" name="190" href="#190">190</a>     }
<a class="jxr_linenumber" name="191" href="#191">191</a> 
<a class="jxr_linenumber" name="192" href="#192">192</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load(File file) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="193" href="#193">193</a>     {
<a class="jxr_linenumber" name="194" href="#194">194</a>         delegate.load(file);
<a class="jxr_linenumber" name="195" href="#195">195</a>     }
<a class="jxr_linenumber" name="196" href="#196">196</a> 
<a class="jxr_linenumber" name="197" href="#197">197</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load(URL url) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="198" href="#198">198</a>     {
<a class="jxr_linenumber" name="199" href="#199">199</a>         delegate.load(url);
<a class="jxr_linenumber" name="200" href="#200">200</a>     }
<a class="jxr_linenumber" name="201" href="#201">201</a> 
<a class="jxr_linenumber" name="202" href="#202">202</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load(InputStream in) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="203" href="#203">203</a>     {
<a class="jxr_linenumber" name="204" href="#204">204</a>         delegate.load(in);
<a class="jxr_linenumber" name="205" href="#205">205</a>     }
<a class="jxr_linenumber" name="206" href="#206">206</a> 
<a class="jxr_linenumber" name="207" href="#207">207</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load(InputStream in, String encoding) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="208" href="#208">208</a>     {
<a class="jxr_linenumber" name="209" href="#209">209</a>         delegate.load(in, encoding);
<a class="jxr_linenumber" name="210" href="#210">210</a>     }
<a class="jxr_linenumber" name="211" href="#211">211</a> 
<a class="jxr_linenumber" name="212" href="#212">212</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save() <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="213" href="#213">213</a>     {
<a class="jxr_linenumber" name="214" href="#214">214</a>         delegate.save();
<a class="jxr_linenumber" name="215" href="#215">215</a>     }
<a class="jxr_linenumber" name="216" href="#216">216</a> 
<a class="jxr_linenumber" name="217" href="#217">217</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(String fileName) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="218" href="#218">218</a>     {
<a class="jxr_linenumber" name="219" href="#219">219</a>         delegate.save(fileName);
<a class="jxr_linenumber" name="220" href="#220">220</a>     }
<a class="jxr_linenumber" name="221" href="#221">221</a> 
<a class="jxr_linenumber" name="222" href="#222">222</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(File file) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="223" href="#223">223</a>     {
<a class="jxr_linenumber" name="224" href="#224">224</a>         delegate.save(file);
<a class="jxr_linenumber" name="225" href="#225">225</a>     }
<a class="jxr_linenumber" name="226" href="#226">226</a> 
<a class="jxr_linenumber" name="227" href="#227">227</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(URL url) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="228" href="#228">228</a>     {
<a class="jxr_linenumber" name="229" href="#229">229</a>         delegate.save(url);
<a class="jxr_linenumber" name="230" href="#230">230</a>     }
<a class="jxr_linenumber" name="231" href="#231">231</a> 
<a class="jxr_linenumber" name="232" href="#232">232</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(OutputStream out) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="233" href="#233">233</a>     {
<a class="jxr_linenumber" name="234" href="#234">234</a>         delegate.save(out);
<a class="jxr_linenumber" name="235" href="#235">235</a>     }
<a class="jxr_linenumber" name="236" href="#236">236</a> 
<a class="jxr_linenumber" name="237" href="#237">237</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(OutputStream out, String encoding) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="238" href="#238">238</a>     {
<a class="jxr_linenumber" name="239" href="#239">239</a>         delegate.save(out, encoding);
<a class="jxr_linenumber" name="240" href="#240">240</a>     }
<a class="jxr_linenumber" name="241" href="#241">241</a> 
<a class="jxr_linenumber" name="242" href="#242">242</a>     <strong class="jxr_keyword">public</strong> String getFileName()
<a class="jxr_linenumber" name="243" href="#243">243</a>     {
<a class="jxr_linenumber" name="244" href="#244">244</a>         <strong class="jxr_keyword">return</strong> delegate.getFileName();
<a class="jxr_linenumber" name="245" href="#245">245</a>     }
<a class="jxr_linenumber" name="246" href="#246">246</a> 
<a class="jxr_linenumber" name="247" href="#247">247</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setFileName(String fileName)
<a class="jxr_linenumber" name="248" href="#248">248</a>     {
<a class="jxr_linenumber" name="249" href="#249">249</a>         delegate.setFileName(fileName);
<a class="jxr_linenumber" name="250" href="#250">250</a>     }
<a class="jxr_linenumber" name="251" href="#251">251</a> 
<a class="jxr_linenumber" name="252" href="#252">252</a>     <strong class="jxr_keyword">public</strong> String getBasePath()
<a class="jxr_linenumber" name="253" href="#253">253</a>     {
<a class="jxr_linenumber" name="254" href="#254">254</a>         <strong class="jxr_keyword">return</strong> delegate.getBasePath();
<a class="jxr_linenumber" name="255" href="#255">255</a>     }
<a class="jxr_linenumber" name="256" href="#256">256</a> 
<a class="jxr_linenumber" name="257" href="#257">257</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBasePath(String basePath)
<a class="jxr_linenumber" name="258" href="#258">258</a>     {
<a class="jxr_linenumber" name="259" href="#259">259</a>         delegate.setBasePath(basePath);
<a class="jxr_linenumber" name="260" href="#260">260</a>     }
<a class="jxr_linenumber" name="261" href="#261">261</a> 
<a class="jxr_linenumber" name="262" href="#262">262</a>     <strong class="jxr_keyword">public</strong> File getFile()
<a class="jxr_linenumber" name="263" href="#263">263</a>     {
<a class="jxr_linenumber" name="264" href="#264">264</a>         <strong class="jxr_keyword">return</strong> delegate.getFile();
<a class="jxr_linenumber" name="265" href="#265">265</a>     }
<a class="jxr_linenumber" name="266" href="#266">266</a> 
<a class="jxr_linenumber" name="267" href="#267">267</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setFile(File file)
<a class="jxr_linenumber" name="268" href="#268">268</a>     {
<a class="jxr_linenumber" name="269" href="#269">269</a>         delegate.setFile(file);
<a class="jxr_linenumber" name="270" href="#270">270</a>     }
<a class="jxr_linenumber" name="271" href="#271">271</a> 
<a class="jxr_linenumber" name="272" href="#272">272</a>     <strong class="jxr_keyword">public</strong> URL getURL()
<a class="jxr_linenumber" name="273" href="#273">273</a>     {
<a class="jxr_linenumber" name="274" href="#274">274</a>         <strong class="jxr_keyword">return</strong> delegate.getURL();
<a class="jxr_linenumber" name="275" href="#275">275</a>     }
<a class="jxr_linenumber" name="276" href="#276">276</a> 
<a class="jxr_linenumber" name="277" href="#277">277</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setURL(URL url)
<a class="jxr_linenumber" name="278" href="#278">278</a>     {
<a class="jxr_linenumber" name="279" href="#279">279</a>         delegate.setURL(url);
<a class="jxr_linenumber" name="280" href="#280">280</a>     }
<a class="jxr_linenumber" name="281" href="#281">281</a> 
<a class="jxr_linenumber" name="282" href="#282">282</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setAutoSave(<strong class="jxr_keyword">boolean</strong> autoSave)
<a class="jxr_linenumber" name="283" href="#283">283</a>     {
<a class="jxr_linenumber" name="284" href="#284">284</a>         delegate.setAutoSave(autoSave);
<a class="jxr_linenumber" name="285" href="#285">285</a>     }
<a class="jxr_linenumber" name="286" href="#286">286</a> 
<a class="jxr_linenumber" name="287" href="#287">287</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isAutoSave()
<a class="jxr_linenumber" name="288" href="#288">288</a>     {
<a class="jxr_linenumber" name="289" href="#289">289</a>         <strong class="jxr_keyword">return</strong> delegate.isAutoSave();
<a class="jxr_linenumber" name="290" href="#290">290</a>     }
<a class="jxr_linenumber" name="291" href="#291">291</a> 
<a class="jxr_linenumber" name="292" href="#292">292</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/reloading/ReloadingStrategy.html">ReloadingStrategy</a> getReloadingStrategy()
<a class="jxr_linenumber" name="293" href="#293">293</a>     {
<a class="jxr_linenumber" name="294" href="#294">294</a>         <strong class="jxr_keyword">return</strong> delegate.getReloadingStrategy();
<a class="jxr_linenumber" name="295" href="#295">295</a>     }
<a class="jxr_linenumber" name="296" href="#296">296</a> 
<a class="jxr_linenumber" name="297" href="#297">297</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setReloadingStrategy(<a href="../../../../org/apache/commons/configuration/reloading/ReloadingStrategy.html">ReloadingStrategy</a> strategy)
<a class="jxr_linenumber" name="298" href="#298">298</a>     {
<a class="jxr_linenumber" name="299" href="#299">299</a>         delegate.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="300" href="#300">300</a>     }
<a class="jxr_linenumber" name="301" href="#301">301</a> 
<a class="jxr_linenumber" name="302" href="#302">302</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> reload()
<a class="jxr_linenumber" name="303" href="#303">303</a>     {
<a class="jxr_linenumber" name="304" href="#304">304</a>         reload(false);
<a class="jxr_linenumber" name="305" href="#305">305</a>     }
<a class="jxr_linenumber" name="306" href="#306">306</a> 
<a class="jxr_linenumber" name="307" href="#307">307</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> reload(<strong class="jxr_keyword">boolean</strong> checkReload)
<a class="jxr_linenumber" name="308" href="#308">308</a>     {
<a class="jxr_linenumber" name="309" href="#309">309</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="310" href="#310">310</a>         {
<a class="jxr_linenumber" name="311" href="#311">311</a>             setDetailEvents(false);
<a class="jxr_linenumber" name="312" href="#312">312</a>             <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="313" href="#313">313</a>             {
<a class="jxr_linenumber" name="314" href="#314">314</a>                 <strong class="jxr_keyword">return</strong> delegate.reload(checkReload);
<a class="jxr_linenumber" name="315" href="#315">315</a>             }
<a class="jxr_linenumber" name="316" href="#316">316</a>             <strong class="jxr_keyword">finally</strong>
<a class="jxr_linenumber" name="317" href="#317">317</a>             {
<a class="jxr_linenumber" name="318" href="#318">318</a>                 setDetailEvents(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="319" href="#319">319</a>             }
<a class="jxr_linenumber" name="320" href="#320">320</a>         }
<a class="jxr_linenumber" name="321" href="#321">321</a>     }
<a class="jxr_linenumber" name="322" href="#322">322</a> 
<a class="jxr_linenumber" name="323" href="#323">323</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_javadoccomment">     * Reloads the associated configuration file. This method first clears the</em>
<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_javadoccomment">     * content of this configuration, then the associated configuration file is</em>
<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment">     * loaded again. Updates on this configuration which have not yet been saved</em>
<a class="jxr_linenumber" name="327" href="#327">327</a> <em class="jxr_javadoccomment">     * are lost. Calling this method is like invoking {@code reload()}</em>
<a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_javadoccomment">     * without checking the reloading strategy.</em>
<a class="jxr_linenumber" name="329" href="#329">329</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment">     * @throws ConfigurationException if an error occurs</em>
<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment">     * @since 1.7</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="333" href="#333">333</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> refresh() <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="334" href="#334">334</a>     {
<a class="jxr_linenumber" name="335" href="#335">335</a>         delegate.refresh();
<a class="jxr_linenumber" name="336" href="#336">336</a>     }
<a class="jxr_linenumber" name="337" href="#337">337</a> 
<a class="jxr_linenumber" name="338" href="#338">338</a>     <strong class="jxr_keyword">public</strong> String getEncoding()
<a class="jxr_linenumber" name="339" href="#339">339</a>     {
<a class="jxr_linenumber" name="340" href="#340">340</a>         <strong class="jxr_keyword">return</strong> delegate.getEncoding();
<a class="jxr_linenumber" name="341" href="#341">341</a>     }
<a class="jxr_linenumber" name="342" href="#342">342</a> 
<a class="jxr_linenumber" name="343" href="#343">343</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setEncoding(String encoding)
<a class="jxr_linenumber" name="344" href="#344">344</a>     {
<a class="jxr_linenumber" name="345" href="#345">345</a>         delegate.setEncoding(encoding);
<a class="jxr_linenumber" name="346" href="#346">346</a>     }
<a class="jxr_linenumber" name="347" href="#347">347</a> 
<a class="jxr_linenumber" name="348" href="#348">348</a>     @Override
<a class="jxr_linenumber" name="349" href="#349">349</a>     <strong class="jxr_keyword">public</strong> Object getReloadLock()
<a class="jxr_linenumber" name="350" href="#350">350</a>     {
<a class="jxr_linenumber" name="351" href="#351">351</a>         <strong class="jxr_keyword">return</strong> delegate.getReloadLock();
<a class="jxr_linenumber" name="352" href="#352">352</a>     }
<a class="jxr_linenumber" name="353" href="#353">353</a> 
<a class="jxr_linenumber" name="354" href="#354">354</a>     @Override
<a class="jxr_linenumber" name="355" href="#355">355</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> containsKey(String key)
<a class="jxr_linenumber" name="356" href="#356">356</a>     {
<a class="jxr_linenumber" name="357" href="#357">357</a>         reload();
<a class="jxr_linenumber" name="358" href="#358">358</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="359" href="#359">359</a>         {
<a class="jxr_linenumber" name="360" href="#360">360</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.containsKey(key);
<a class="jxr_linenumber" name="361" href="#361">361</a>         }
<a class="jxr_linenumber" name="362" href="#362">362</a>     }
<a class="jxr_linenumber" name="363" href="#363">363</a> 
<a class="jxr_linenumber" name="364" href="#364">364</a>     @Override
<a class="jxr_linenumber" name="365" href="#365">365</a>     <strong class="jxr_keyword">public</strong> Iterator&lt;String&gt; getKeys()
<a class="jxr_linenumber" name="366" href="#366">366</a>     {
<a class="jxr_linenumber" name="367" href="#367">367</a>         reload();
<a class="jxr_linenumber" name="368" href="#368">368</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="369" href="#369">369</a>         {
<a class="jxr_linenumber" name="370" href="#370">370</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.getKeys();
<a class="jxr_linenumber" name="371" href="#371">371</a>         }
<a class="jxr_linenumber" name="372" href="#372">372</a>     }
<a class="jxr_linenumber" name="373" href="#373">373</a> 
<a class="jxr_linenumber" name="374" href="#374">374</a>     @Override
<a class="jxr_linenumber" name="375" href="#375">375</a>     <strong class="jxr_keyword">public</strong> Iterator&lt;String&gt; getKeys(String prefix)
<a class="jxr_linenumber" name="376" href="#376">376</a>     {
<a class="jxr_linenumber" name="377" href="#377">377</a>         reload();
<a class="jxr_linenumber" name="378" href="#378">378</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="379" href="#379">379</a>         {
<a class="jxr_linenumber" name="380" href="#380">380</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.getKeys(prefix);
<a class="jxr_linenumber" name="381" href="#381">381</a>         }
<a class="jxr_linenumber" name="382" href="#382">382</a>     }
<a class="jxr_linenumber" name="383" href="#383">383</a> 
<a class="jxr_linenumber" name="384" href="#384">384</a>     @Override
<a class="jxr_linenumber" name="385" href="#385">385</a>     <strong class="jxr_keyword">public</strong> Object getProperty(String key)
<a class="jxr_linenumber" name="386" href="#386">386</a>     {
<a class="jxr_linenumber" name="387" href="#387">387</a>         <strong class="jxr_keyword">if</strong> (reload(<strong class="jxr_keyword">true</strong>))
<a class="jxr_linenumber" name="388" href="#388">388</a>         {
<a class="jxr_linenumber" name="389" href="#389">389</a>             <em class="jxr_comment">// Avoid reloading again and getting the same error.</em>
<a class="jxr_linenumber" name="390" href="#390">390</a>             <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="391" href="#391">391</a>             {
<a class="jxr_linenumber" name="392" href="#392">392</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.getProperty(key);
<a class="jxr_linenumber" name="393" href="#393">393</a>             }
<a class="jxr_linenumber" name="394" href="#394">394</a>         }
<a class="jxr_linenumber" name="395" href="#395">395</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="396" href="#396">396</a>     }
<a class="jxr_linenumber" name="397" href="#397">397</a> 
<a class="jxr_linenumber" name="398" href="#398">398</a>     @Override
<a class="jxr_linenumber" name="399" href="#399">399</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isEmpty()
<a class="jxr_linenumber" name="400" href="#400">400</a>     {
<a class="jxr_linenumber" name="401" href="#401">401</a>         reload();
<a class="jxr_linenumber" name="402" href="#402">402</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="403" href="#403">403</a>         {
<a class="jxr_linenumber" name="404" href="#404">404</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.isEmpty();
<a class="jxr_linenumber" name="405" href="#405">405</a>         }
<a class="jxr_linenumber" name="406" href="#406">406</a>     }
<a class="jxr_linenumber" name="407" href="#407">407</a> 
<a class="jxr_linenumber" name="408" href="#408">408</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_javadoccomment">     * Directly adds sub nodes to this configuration. This implementation checks</em>
<a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_javadoccomment">     * whether auto save is necessary after executing the operation.</em>
<a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_javadoccomment">     * @param key the key where the nodes are to be added</em>
<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_javadoccomment">     * @param nodes a collection with the nodes to be added</em>
<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_javadoccomment">     * @since 1.5</em>
<a class="jxr_linenumber" name="415" href="#415">415</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="416" href="#416">416</a>     @Override
<a class="jxr_linenumber" name="417" href="#417">417</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addNodes(String key, Collection&lt;? <strong class="jxr_keyword">extends</strong> ConfigurationNode&gt; nodes)
<a class="jxr_linenumber" name="418" href="#418">418</a>     {
<a class="jxr_linenumber" name="419" href="#419">419</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="420" href="#420">420</a>         {
<a class="jxr_linenumber" name="421" href="#421">421</a>             <strong class="jxr_keyword">super</strong>.addNodes(key, nodes);
<a class="jxr_linenumber" name="422" href="#422">422</a>             delegate.possiblySave();
<a class="jxr_linenumber" name="423" href="#423">423</a>         }
<a class="jxr_linenumber" name="424" href="#424">424</a>     }
<a class="jxr_linenumber" name="425" href="#425">425</a> 
<a class="jxr_linenumber" name="426" href="#426">426</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="427" href="#427">427</a> <em class="jxr_javadoccomment">     * Fetches a list of nodes, which are selected by the specified key. This</em>
<a class="jxr_linenumber" name="428" href="#428">428</a> <em class="jxr_javadoccomment">     * implementation will perform a reload if necessary.</em>
<a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_javadoccomment">     * @param key the key</em>
<a class="jxr_linenumber" name="431" href="#431">431</a> <em class="jxr_javadoccomment">     * @return a list with the selected nodes</em>
<a class="jxr_linenumber" name="432" href="#432">432</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="433" href="#433">433</a>     @Override
<a class="jxr_linenumber" name="434" href="#434">434</a>     <strong class="jxr_keyword">protected</strong> List&lt;ConfigurationNode&gt; fetchNodeList(String key)
<a class="jxr_linenumber" name="435" href="#435">435</a>     {
<a class="jxr_linenumber" name="436" href="#436">436</a>         reload();
<a class="jxr_linenumber" name="437" href="#437">437</a>         <strong class="jxr_keyword">synchronized</strong> (delegate.getReloadLock())
<a class="jxr_linenumber" name="438" href="#438">438</a>         {
<a class="jxr_linenumber" name="439" href="#439">439</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.fetchNodeList(key);
<a class="jxr_linenumber" name="440" href="#440">440</a>         }
<a class="jxr_linenumber" name="441" href="#441">441</a>     }
<a class="jxr_linenumber" name="442" href="#442">442</a> 
<a class="jxr_linenumber" name="443" href="#443">443</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_javadoccomment">     * Reacts on changes of an associated subnode configuration. If the auto</em>
<a class="jxr_linenumber" name="445" href="#445">445</a> <em class="jxr_javadoccomment">     * save mechanism is active, the configuration must be saved.</em>
<a class="jxr_linenumber" name="446" href="#446">446</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="447" href="#447">447</a> <em class="jxr_javadoccomment">     * @param event the event describing the change</em>
<a class="jxr_linenumber" name="448" href="#448">448</a> <em class="jxr_javadoccomment">     * @since 1.5</em>
<a class="jxr_linenumber" name="449" href="#449">449</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="450" href="#450">450</a>     @Override
<a class="jxr_linenumber" name="451" href="#451">451</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> subnodeConfigurationChanged(<a href="../../../../org/apache/commons/configuration/event/ConfigurationEvent.html">ConfigurationEvent</a> event)
<a class="jxr_linenumber" name="452" href="#452">452</a>     {
<a class="jxr_linenumber" name="453" href="#453">453</a>         delegate.possiblySave();
<a class="jxr_linenumber" name="454" href="#454">454</a>         <strong class="jxr_keyword">super</strong>.subnodeConfigurationChanged(event);
<a class="jxr_linenumber" name="455" href="#455">455</a>     }
<a class="jxr_linenumber" name="456" href="#456">456</a> 
<a class="jxr_linenumber" name="457" href="#457">457</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="458" href="#458">458</a> <em class="jxr_javadoccomment">     * Creates the file configuration delegate, i.e. the object that implements</em>
<a class="jxr_linenumber" name="459" href="#459">459</a> <em class="jxr_javadoccomment">     * functionality required by the {@code FileConfiguration} interface.</em>
<a class="jxr_linenumber" name="460" href="#460">460</a> <em class="jxr_javadoccomment">     * This base implementation will return an instance of the</em>
<a class="jxr_linenumber" name="461" href="#461">461</a> <em class="jxr_javadoccomment">     * {@code FileConfigurationDelegate} class. Derived classes may</em>
<a class="jxr_linenumber" name="462" href="#462">462</a> <em class="jxr_javadoccomment">     * override it to create a different delegate object.</em>
<a class="jxr_linenumber" name="463" href="#463">463</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="464" href="#464">464</a> <em class="jxr_javadoccomment">     * @return the file configuration delegate</em>
<a class="jxr_linenumber" name="465" href="#465">465</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="466" href="#466">466</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a> createDelegate()
<a class="jxr_linenumber" name="467" href="#467">467</a>     {
<a class="jxr_linenumber" name="468" href="#468">468</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a>();
<a class="jxr_linenumber" name="469" href="#469">469</a>     }
<a class="jxr_linenumber" name="470" href="#470">470</a> 
<a class="jxr_linenumber" name="471" href="#471">471</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="472" href="#472">472</a> <em class="jxr_javadoccomment">     * Helper method for initializing the file configuration delegate.</em>
<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="474" href="#474">474</a> <em class="jxr_javadoccomment">     * @param del the delegate</em>
<a class="jxr_linenumber" name="475" href="#475">475</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="476" href="#476">476</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> initDelegate(<a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a> del)
<a class="jxr_linenumber" name="477" href="#477">477</a>     {
<a class="jxr_linenumber" name="478" href="#478">478</a>         del.addConfigurationListener(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="479" href="#479">479</a>         del.addErrorListener(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="480" href="#480">480</a>         del.setLogger(getLogger());
<a class="jxr_linenumber" name="481" href="#481">481</a>     }
<a class="jxr_linenumber" name="482" href="#482">482</a> 
<a class="jxr_linenumber" name="483" href="#483">483</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="484" href="#484">484</a> <em class="jxr_javadoccomment">     * Reacts on configuration change events triggered by the delegate. These</em>
<a class="jxr_linenumber" name="485" href="#485">485</a> <em class="jxr_javadoccomment">     * events are passed to the registered configuration listeners.</em>
<a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="487" href="#487">487</a> <em class="jxr_javadoccomment">     * @param event the triggered event</em>
<a class="jxr_linenumber" name="488" href="#488">488</a> <em class="jxr_javadoccomment">     * @since 1.3</em>
<a class="jxr_linenumber" name="489" href="#489">489</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="490" href="#490">490</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configurationChanged(<a href="../../../../org/apache/commons/configuration/event/ConfigurationEvent.html">ConfigurationEvent</a> event)
<a class="jxr_linenumber" name="491" href="#491">491</a>     {
<a class="jxr_linenumber" name="492" href="#492">492</a>         <em class="jxr_comment">// deliver reload events to registered listeners</em>
<a class="jxr_linenumber" name="493" href="#493">493</a>         setDetailEvents(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="494" href="#494">494</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="495" href="#495">495</a>         {
<a class="jxr_linenumber" name="496" href="#496">496</a>             fireEvent(event.getType(), event.getPropertyName(), event
<a class="jxr_linenumber" name="497" href="#497">497</a>                     .getPropertyValue(), event.isBeforeUpdate());
<a class="jxr_linenumber" name="498" href="#498">498</a>         }
<a class="jxr_linenumber" name="499" href="#499">499</a>         <strong class="jxr_keyword">finally</strong>
<a class="jxr_linenumber" name="500" href="#500">500</a>         {
<a class="jxr_linenumber" name="501" href="#501">501</a>             setDetailEvents(false);
<a class="jxr_linenumber" name="502" href="#502">502</a>         }
<a class="jxr_linenumber" name="503" href="#503">503</a>     }
<a class="jxr_linenumber" name="504" href="#504">504</a> 
<a class="jxr_linenumber" name="505" href="#505">505</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configurationError(<a href="../../../../org/apache/commons/configuration/event/ConfigurationErrorEvent.html">ConfigurationErrorEvent</a> event)
<a class="jxr_linenumber" name="506" href="#506">506</a>     {
<a class="jxr_linenumber" name="507" href="#507">507</a>         fireError(event.getType(), event.getPropertyName(), event.getPropertyValue(),
<a class="jxr_linenumber" name="508" href="#508">508</a>                 event.getCause());
<a class="jxr_linenumber" name="509" href="#509">509</a>     }
<a class="jxr_linenumber" name="510" href="#510">510</a> 
<a class="jxr_linenumber" name="511" href="#511">511</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_javadoccomment">     * Returns the file configuration delegate.</em>
<a class="jxr_linenumber" name="513" href="#513">513</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="514" href="#514">514</a> <em class="jxr_javadoccomment">     * @return the delegate</em>
<a class="jxr_linenumber" name="515" href="#515">515</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="516" href="#516">516</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a> getDelegate()
<a class="jxr_linenumber" name="517" href="#517">517</a>     {
<a class="jxr_linenumber" name="518" href="#518">518</a>         <strong class="jxr_keyword">return</strong> delegate;
<a class="jxr_linenumber" name="519" href="#519">519</a>     }
<a class="jxr_linenumber" name="520" href="#520">520</a> 
<a class="jxr_linenumber" name="521" href="#521">521</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="522" href="#522">522</a> <em class="jxr_javadoccomment">     * Allows to set the file configuration delegate.</em>
<a class="jxr_linenumber" name="523" href="#523">523</a> <em class="jxr_javadoccomment">     * @param delegate the new delegate</em>
<a class="jxr_linenumber" name="524" href="#524">524</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="525" href="#525">525</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> setDelegate(<a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a> delegate)
<a class="jxr_linenumber" name="526" href="#526">526</a>     {
<a class="jxr_linenumber" name="527" href="#527">527</a>         <strong class="jxr_keyword">this</strong>.delegate = delegate;
<a class="jxr_linenumber" name="528" href="#528">528</a>     }
<a class="jxr_linenumber" name="529" href="#529">529</a> 
<a class="jxr_linenumber" name="530" href="#530">530</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="531" href="#531">531</a> <em class="jxr_javadoccomment">     * Set the FileSystem to be used for this Configuration.</em>
<a class="jxr_linenumber" name="532" href="#532">532</a> <em class="jxr_javadoccomment">     * @param fileSystem The FileSystem to use.</em>
<a class="jxr_linenumber" name="533" href="#533">533</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="534" href="#534">534</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setFileSystem(<a href="../../../../org/apache/commons/configuration/FileSystem.html">FileSystem</a> fileSystem)
<a class="jxr_linenumber" name="535" href="#535">535</a>     {
<a class="jxr_linenumber" name="536" href="#536">536</a>         delegate.setFileSystem(fileSystem);
<a class="jxr_linenumber" name="537" href="#537">537</a>     }
<a class="jxr_linenumber" name="538" href="#538">538</a> 
<a class="jxr_linenumber" name="539" href="#539">539</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="540" href="#540">540</a> <em class="jxr_javadoccomment">     * Reset the FileSystem to the default;</em>
<a class="jxr_linenumber" name="541" href="#541">541</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="542" href="#542">542</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> resetFileSystem()
<a class="jxr_linenumber" name="543" href="#543">543</a>     {
<a class="jxr_linenumber" name="544" href="#544">544</a>         delegate.resetFileSystem();
<a class="jxr_linenumber" name="545" href="#545">545</a>     }
<a class="jxr_linenumber" name="546" href="#546">546</a> 
<a class="jxr_linenumber" name="547" href="#547">547</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="548" href="#548">548</a> <em class="jxr_javadoccomment">     * Retrieve the FileSystem being used.</em>
<a class="jxr_linenumber" name="549" href="#549">549</a> <em class="jxr_javadoccomment">     * @return The FileSystem.</em>
<a class="jxr_linenumber" name="550" href="#550">550</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="551" href="#551">551</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/FileSystem.html">FileSystem</a> getFileSystem()
<a class="jxr_linenumber" name="552" href="#552">552</a>     {
<a class="jxr_linenumber" name="553" href="#553">553</a>         <strong class="jxr_keyword">return</strong> delegate.getFileSystem();
<a class="jxr_linenumber" name="554" href="#554">554</a>     }
<a class="jxr_linenumber" name="555" href="#555">555</a> 
<a class="jxr_linenumber" name="556" href="#556">556</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="557" href="#557">557</a> <em class="jxr_javadoccomment">     * A special implementation of the {@code FileConfiguration} interface that is</em>
<a class="jxr_linenumber" name="558" href="#558">558</a> <em class="jxr_javadoccomment">     * used internally to implement the {@code FileConfiguration} methods</em>
<a class="jxr_linenumber" name="559" href="#559">559</a> <em class="jxr_javadoccomment">     * for hierarchical configurations.</em>
<a class="jxr_linenumber" name="560" href="#560">560</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="561" href="#561">561</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/configuration/AbstractHierarchicalFileConfiguration.html">FileConfigurationDelegate</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/commons/configuration/AbstractFileConfiguration.html">AbstractFileConfiguration</a>
<a class="jxr_linenumber" name="562" href="#562">562</a>     {
<a class="jxr_linenumber" name="563" href="#563">563</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> load(Reader in) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="564" href="#564">564</a>         {
<a class="jxr_linenumber" name="565" href="#565">565</a>             AbstractHierarchicalFileConfiguration.<strong class="jxr_keyword">this</strong>.load(in);
<a class="jxr_linenumber" name="566" href="#566">566</a>         }
<a class="jxr_linenumber" name="567" href="#567">567</a> 
<a class="jxr_linenumber" name="568" href="#568">568</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(Writer out) <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="569" href="#569">569</a>         {
<a class="jxr_linenumber" name="570" href="#570">570</a>             AbstractHierarchicalFileConfiguration.<strong class="jxr_keyword">this</strong>.save(out);
<a class="jxr_linenumber" name="571" href="#571">571</a>         }
<a class="jxr_linenumber" name="572" href="#572">572</a> 
<a class="jxr_linenumber" name="573" href="#573">573</a>         @Override
<a class="jxr_linenumber" name="574" href="#574">574</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clear()
<a class="jxr_linenumber" name="575" href="#575">575</a>         {
<a class="jxr_linenumber" name="576" href="#576">576</a>             AbstractHierarchicalFileConfiguration.<strong class="jxr_keyword">this</strong>.clear();
<a class="jxr_linenumber" name="577" href="#577">577</a>         }
<a class="jxr_linenumber" name="578" href="#578">578</a>     }
<a class="jxr_linenumber" name="579" href="#579">579</a> }
</pre>
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